JPH03124213U

JPH03124213U -

Info

Publication number: JPH03124213U
Application number: JP3315790U
Authority: JP
Priority date: 1990-03-29
Filing date: 1990-03-29
Publication date: 1991-12-17
Anticipated expiration: 2005-03-29
Also published as: JPH0720726Y2

Description

[Brief explanation of drawings]

第１図乃至第３図は従来の筒状弁式の減圧・逃
し弁を示し、第１図は縦断側面図、第２図及び第
３図は同上の作用の説明図である。第４図乃至第
７図は本考案による筒状弁式の減圧・逃し弁を示
し、第４図は同上の縦断側面図、第５図及び第６
図は同上の組立工程の説明図、第７図は同上の後
面図である。図面符号の説明、Ａ……減圧・逃し弁、Ｘ……
一次側、Ｙ……二次側、ａ……弁箱、ｂ……逃し
口、ｃ……逆止弁、ｄ……ストレーナー、１……
一次室、１ａ……ガイド筒部、１０……入口管、
１１……隔壁、１２……開口、１３……拡径部、
１４……隔壁、１５……開放口、１６……蓋体、
１８……セツトネジ、２……二次室、２０……出
口管、２１……セツトネジ、２２……鍔部、３…
…ダイヤフラム、４……バネ、５……バネケース
、５０……排出口、５１……鍔部、５２……嵌合
穴、６……筒状弁、６ａ……筒状体、６０……減
圧弁用の弁、６１……弁座、６２……バネ受け、
７……組付座、７０……逃し弁用の弁、７１……
弁座、８……バネ、９０……摺動子、９１……弁
軸、９２……バネ、９３……透孔、９４……ボー
ル。 1 to 3 show a conventional cylindrical valve type pressure reducing/relief valve, with FIG. 1 being a longitudinal sectional side view, and FIGS. 2 and 3 being explanatory diagrams of the same operation. 4 to 7 show a cylindrical valve type pressure reducing/relief valve according to the present invention, and FIG. 4 is a longitudinal sectional side view of the same, and FIGS.
The figure is an explanatory diagram of the assembly process same as above, and FIG. 7 is a rear view of same as above. Explanation of drawing symbols, A...pressure reduction/relief valve, X...
Primary side, Y... Secondary side, a... Valve box, b... Relief port, c... Check valve, d... Strainer, 1...
Primary chamber, 1a...guide cylinder section, 10...inlet pipe,
11... Partition wall, 12... Opening, 13... Expanded diameter part,
14... Partition wall, 15... Opening port, 16... Lid body,
18... Set screw, 2... Secondary chamber, 20... Outlet pipe, 21... Set screw, 22... Flange, 3...
... diaphragm, 4 ... spring, 5 ... spring case, 50 ... discharge port, 51 ... flange, 52 ... fitting hole, 6 ... cylindrical valve, 6a ... cylindrical body, 60 ... pressure reduction Valve for valve, 61... Valve seat, 62... Spring receiver,
7... Assembly seat, 70... Valve for relief valve, 71...
Valve seat, 8... spring, 90... slider, 91... valve stem, 92... spring, 93... through hole, 94... ball.

補正平２．５．９考案の名称を次のように補正する。考案の名称筒状弁式の減圧・逃し弁実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment 2.5.9. The name of the invention is amended as follows. Title of the invention: Cylindrical valve type pressure reduction/relief valve The scope of the utility model registration claim and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】一次側に接続する入口管１０を具備する一次室
１と、二次側に接続する出口管２０を具備すると
ともに二次側の圧力を感知して作動するダイヤフ
ラム３を具備する二次室２とを、前記ダイヤフラ
ム３を二次室２側に押圧するバネ４を収蔵するバ
ネケース５を介し一体的に組付けて弁箱ａを組立
て、その弁箱ａ内に減圧弁用の弁６０を設けた先
端側が一次室１内に突入し逃し弁用の弁７０を設
けた基端側が二次室２内に突入する状態に筒状弁
６を組込み、一次室１の前記筒状弁６の先端と対
向する部位に減圧弁用の弁座６１を設け、ダイヤ
フラム３の軸芯部位には前記筒状弁６の胴部外周
より大径の逃し口ｂを形成し、その逃し口ｂのま
わりに筒状弁６の基端側に設けた逃し弁用の弁７
０に対向する逃し弁用の弁座７１を設ける筒状弁
式の減圧・逃し弁において、一次室１には、筒状
弁６の胴部外周を水密に嵌挿せしめるガイド筒部
１ａを設け、その基端側に逃し弁用の弁７０を装
脱自在に組付け、かつ、前記ガイド筒部１ａに嵌
挿した状態の該筒状弁６を一次室１側に押し出す
バネ８を、該筒状弁６の先端側の外周に設けたバ
ネ受け６２と一次室１との間に設けたことを特徴
とする筒状弁式の減圧・逃し弁。[Claims for Utility Model Registration] A diaphragm 3 comprising a primary chamber 1 having an inlet pipe 10 connected to the primary side, an outlet pipe 20 connecting to the secondary side, and activated by sensing pressure on the secondary side. A valve box a is assembled by integrally assembling a secondary chamber 2 having The cylindrical valve 6 is installed in such a state that the distal end side provided with the valve 60 for the valve protrudes into the primary chamber 1 and the proximal end side provided with the relief valve 70 protrudes into the secondary chamber 2. A valve seat 61 for a pressure reducing valve is provided at a portion facing the tip of the cylindrical valve 6, and a relief port b having a larger diameter than the outer periphery of the body of the cylindrical valve 6 is formed at the axial center portion of the diaphragm 3. A relief valve valve 7 provided around the relief port b on the proximal end side of the cylindrical valve 6
In a cylindrical valve-type pressure reducing/relief valve provided with a valve seat 71 for the relief valve facing 0, the primary chamber 1 is provided with a guide cylindrical portion 1a into which the outer periphery of the body of the cylindrical valve 6 is fitted in a watertight manner. A relief valve 70 is removably assembled on the base end thereof , and a spring 8 is provided to push the cylindrical valve 6 fitted into the guide cylinder portion 1a toward the primary chamber 1 side . , a cylindrical valve type pressure reducing/relief valve characterized in that it is provided between a spring receiver 62 provided on the outer periphery of the tip side of the cylindrical valve 6 and the primary chamber 1.

【図面の簡単な説明】第１図乃至第３図は従来の筒状弁式の減圧・逃
し弁を示し、第１図は縦断側面図、第２図及び第
３図は同上の作用の説明図である。第４図乃至第
７図は本考案による筒状弁式の減圧・逃し弁を示
し、第４図は同上の縦断側面図、第５図及び第６
図は同上の組立工程の説明図、第７図は同上の後
面図である。図面符号の説明、Ａ……減圧・逃し弁、Ｘ……
一次側、Ｙ……二次側、ａ……弁箱、ｂ……逃し
口、ｃ……逆止弁、ｄ……ストレーナー、１……
一次室、１ａ……ガイド筒部、１０……入口管、
１１……隔壁、１２……開口、１３……拡径部、
１４……隔壁、１５……開放口、１６……蓋体、
１８……セツトネジ、２……二次室、２０……出
口管、２１……セツトネジ、２２……鍔部、３…
…ダイヤフラム、４……バネ、５……バネケース
、５０……排出口、５１……鍔部、５２……嵌合
穴、６……筒状弁、６ａ……筒状体、６０……減
圧弁用の弁、６１……弁座、６２……バネ受け、
７……組付座、７０……逃し弁用の弁、７１……
弁座、８……バネ、９０……摺動子、９１……弁
軸、９２……バネ、９３……透孔、９４……ボー
ル。[Brief explanation of the drawings] Figs. 1 to 3 show a conventional cylindrical valve type pressure reducing/relief valve, Fig. 1 is a vertical side view, and Figs. 2 and 3 are explanations of the same function. It is a diagram. 4 to 7 show a cylindrical valve type pressure reducing/relief valve according to the present invention, and FIG. 4 is a longitudinal sectional side view of the same, and FIGS.
The figure is an explanatory diagram of the assembly process same as above, and FIG. 7 is a rear view of same as above. Explanation of drawing symbols, A...pressure reduction/relief valve, X...
Primary side, Y... Secondary side, a... Valve box, b... Relief port, c... Check valve, d... Strainer, 1...
Primary chamber, 1a...guide cylinder section, 10...inlet pipe,
11... Partition wall, 12... Opening, 13... Expanded diameter part,
14... Partition wall, 15... Opening port, 16... Lid body,
18... Set screw, 2... Secondary chamber, 20... Outlet pipe, 21... Set screw, 22... Flange, 3...
... diaphragm, 4 ... spring, 5 ... spring case, 50 ... discharge port, 51 ... flange, 52 ... fitting hole, 6 ... cylindrical valve, 6a ... cylindrical body, 60 ... pressure reduction Valve for valve, 61... Valve seat, 62... Spring receiver,
7... Assembly seat, 70... Valve for relief valve, 71...
Valve seat, 8... spring, 90... slider, 91... valve stem, 92... spring, 93... through hole, 94... ball.

Claims

[Scope of utility model registration request]

A primary chamber 1 includes an inlet pipe 10 connected to the primary side, and a secondary chamber 2 includes an outlet pipe 20 connected to the secondary side and a diaphragm 3 that operates by sensing pressure on the secondary side. are integrally assembled via a spring case 5 housing a spring 4 that presses the diaphragm 3 toward the secondary chamber 2 side to assemble a valve box a, and a valve 60 for a pressure reducing valve is provided in the valve box a. The cylindrical valve 6 is assembled in such a manner that the distal end side protrudes into the primary chamber 1 and the relief valve valve 70 is provided, and the proximal end protrudes into the secondary chamber 2, and the distal end of the cylindrical valve 6 in the primary chamber 1 and the proximal end protrude into the secondary chamber 2. A valve seat 61 for a pressure reducing valve is provided at the opposing portion, a relief port b having a larger diameter than the outer periphery of the body of the cylindrical valve 6 is formed at the axial center portion of the diaphragm 3, and a tube is formed around the relief port b. A relief valve valve 7 provided on the proximal end side of the shaped valve 6
In a cylindrical valve-type pressure reducing/relief valve provided with a valve seat 71 for the relief valve facing 0, the primary chamber 1 is provided with a guide cylindrical portion 1a into which the outer periphery of the body of the cylindrical valve 6 is fitted in a watertight manner. , the cylindrical valve 6 has an outer diameter smaller on the proximal side than on the distal side, and a relief valve 7 on the proximal side.
0 is removably assembled, and the guide cylinder part 1
A spring 8 that pushes the cylindrical valve 6 fitted into the cylindrical valve 6 toward the primary chamber 1 side is provided between the spring receiver 62 provided on the outer periphery of the tip side of the cylindrical valve 6 and the primary chamber 1. A cylindrical valve type pressure reducing/relief valve featuring: